, president obama and mitt romney kicking their swing state campaign into overdrive. both charting from ohio to virginia, the state that could be the must-win in november. joining us now, chris cillizza, managing editor of post politics.com and peter alexander following the romney campaign. welcome to both. chris, first of all, how important is virginia? they've gone, both from ohio to virginia. they seem to be tag teaming it, the two weekends. >> reporter: yeah, i would say, draa, we've talked about this, the visits, where they spend their time is so carefully calibrated to spend it in media markets and states that they absolutely need. ohio, mitt romney, i think needs and is behind. virginia, i think mitt romney mitt romney needs and is behind. one thing to remember about virginia a state, before barack obama won in 2008 everybody the last democratic presidential candidate come win it was lyndon johnson in 1964. it's remarkable that we're talking about virginia in the terms that we are. there's been a big demographic shift with northern virginia a big democratic population. it is remarkabl